Drill Rig Top Drive Varco Saver Sub / Kelly Valve
Product Introduction
Saver Subs for Top Drive is a crossover sub which is connected between IBOP for Top Drive and lower drill pipe. The structure of the sub is whole, which is produced with modified alloy steel, and after the special heat treatment process to achieve the desired hardness and strength and impact resistance.
Our company provides varied, complete series of subs and joints, they are: Crossover Sub, Bit Sub, Rotary Sub, Kelly Saver Sub, Integral Short Drill Rod, Short Drill Collar, Pup Joints etc.
These subs and joints are all made from high quality grade, heat-treated alloy steel for maximum strength and durability, and threaded to customer specifications and API Spec 7-1 requirements.
What's the order procedure?
First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
Technical Data of Our Top Drive Save Sub
Item | O.D. | I.D. | OAL | Connection |
(mm/inch) | (mm/inch) | (mm/inch) | API | |
1 | 187(7-23/64) | 44.5(1-3/4) | 432(17) | 6 5/8REG PIN×NC31 PIN |
2 | 187(7-23/64) | 44.5(1-3/4) | 432(17) | 6 5/8REG PIN LH×NC31 PIN LH |
3 | 187(7-23/64) | 57.2(2-1/4) | 445(17-1/2) | 6 5/8REG PIN×NC38 PIN |
4 | 187(7-23/64) | 57.2(2-1/4) | 445(17-1/2) | 6 5/8REG PIN LH×NC38 PIN LH |
5 | 187(7-23/64) | 71.4(2-13/16) | 458(18) | 6 5/8REG PIN×NC50 PIN |
6 | 197(7-3/4) | 57.2(2-1/4) | 458(18) | 6 5/8REG PIN×NC38 PIN |
7 | 197(7-3/4) | 71.4(2-13/16) | 470(18-1/2) | 6 5/8REG PIN×NC50 PIN |
8 | 197(7-3/4) | 71.4(2-13/16) | 458(18) | 6 5/8REG PIN LH×6 5/8REG PIN LH |
Please specify the size if you have any special demand. |
Xi'An TianRui Petroleum Machinery Equipment Company Limited offers drilling rig and travelling system products for big oil fields over a long period of time. The company is 1st-class unit of China National Petroleum (Group) Equipment Corporation and Supplies and Assemblies Company of China Petroleum Corporation. Insisting on the development and innovation path with scientific progress as the core, company has been constanly absorbing advanced technology to quicken new product development. This company has established close technical cooperation relation with the oil field research institutes, designing institutes and various engineering technical departments throughout the country. For many years,we have achieved many scientific and thchnological achievements based on independent intellectual properties, filling up many blank both abroad and home.
Competitive Advantages
1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Most of our equipment can be replaceable with international brands.
6. Our products have been exported to Argentina, Egypt, US, Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India, Indonesia, Vietnam, Malaysia and many other countries.